Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761479AbXKNSOQ (ORCPT ); Wed, 14 Nov 2007 13:14:16 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756339AbXKNSN7 (ORCPT ); Wed, 14 Nov 2007 13:13:59 -0500 Received: from e6.ny.us.ibm.com ([32.97.182.146]:60263 "EHLO e6.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754473AbXKNSN4 (ORCPT ); Wed, 14 Nov 2007 13:13:56 -0500 Date: Wed, 14 Nov 2007 10:13:37 -0800 From: Gary Hade To: Alex Chiang , Gary Hade , Matthew Wilcox , Greg KH , gregkh@suse.de, kristen.c.accardi@intel.com, lenb@kernel.org, rick.jones2@hp.com, linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz, pcihpd-discuss@lists.sourceforge.net, linux-acpi@vger.kernel.org Subject: Re: [PATCH 0/5][RFC] Physical PCI slot objects Message-ID: <20071114181337.GA6269@us.ibm.com> References: <20071113000853.GA13341@ldl.fc.hp.com> <20071113170129.GA20185@kroah.com> <20071113183353.GE17785@parisc-linux.org> <20071113185122.GA22536@kroah.com> <20071113201102.GK17785@parisc-linux.org> <20071113230804.GA14570@us.ibm.com> <20071114144237.GB7523@ldl.fc.hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071114144237.GB7523@ldl.fc.hp.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 25912 Lines: 477 On Wed, Nov 14, 2007 at 07:42:37AM -0700, Alex Chiang wrote: > Hi Gary, > > * Gary Hade : > > > > I am not fundamentally opposed to this new capability but share > > the same concerns that Greg and others have expressed. So far, > > I have only tried the changes on one single node system (IBM > > x3850) but the below NAK-worthy result supports the idea that > > the changes need to be well and widely tested. > > Can you send me the lspci -vv and lspci -vt output from this > machine? Alex, I added some slot number hints to the below `lspci -vt` output. I am still looking at your other message and will have some hopefully helpful comments soon. I did apply all 5 patches, 4 was a typo. Thanks, Gary -- Gary Hade System x Enablement IBM Linux Technology Center 503-578-4503 IBM T/L: 775-4503 garyhade@us.ibm.com http://www.ibm.com/linux/ltc Script started on Wed 14 Nov 2007 03:38:14 AM PST 0;root@elm3a9:~[root@elm3a9 ~]# lspci -vt -+-[0000:19]---00.0-[0000:1a-1d]--+-00.0 Intel Corporation 82571EB Gigabit Ethernet Controller <- slot 6 | \-00.1 Intel Corporation 82571EB Gigabit Ethernet Controller +-[0000:14]---00.0-[0000:15-18]-- <- slot 5 +-[0000:0f]---00.0-[0000:10-13]-- <- slot 4 +-[0000:0a]---00.0-[0000:0b-0e]----00.0-[0000:0c]----04.0 Adaptec ASC-29320ALP U320 <- slot 3 +-[0000:06]---00.0 IBM Calgary PCI-X Host Bridge <- slot 2 +-[0000:02]-+-00.0 IBM Calgary PCI-X Host Bridge <- slot 1 | \-01.0 S2io Inc. Xframe II 10Gbps Ethernet +-[0000:01]-+-00.0 IBM Calgary PCI-X Host Bridge | +-01.0 Broadcom Corporation NetXtreme BCM5704 Gigabit Ethernet | +-01.1 Broadcom Corporation NetXtreme BCM5704 Gigabit Ethernet | \-02.0 Adaptec AIC-9410W SAS (Razor ASIC non-RAID) \-[0000:00]-+-00.0 IBM Calgary PCI-X Host Bridge +-01.0 ATI Technologies Inc Radeon RV100 QY [Radeon 7000/VE] +-03.0 NEC Corporation USB +-03.1 NEC Corporation USB +-03.2 NEC Corporation USB 2.0 +-0f.0 Broadcom CSB6 South Bridge +-0f.1 Broadcom CSB6 RAID/IDE Controller \-0f.3 Broadcom GCLE-2 Host Bridge 0;root@elm3a9:~[root@elm3a9 ~]# lspci -vvv 00:00.0 Host bridge: IBM Calgary PCI-X Host Bridge (rev 04) Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=slow >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- Reset- FastB2B- Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [80] Express Root Port (Slot+) IRQ 0 Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag- Device: Latency L0s unlimited, L1 unlimited Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+ Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ Device: MaxPayload 256 bytes, MaxReadReq 4096 bytes Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s L1, Port 0 Link: Latency L0s <256ns, L1 <2us Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x1 Slot: AtnBtn- PwrCtrl+ MRL+ AtnInd+ PwrInd+ HotPlug+ Surpise+ Slot: Number 3, PowerLimit 25.000000 Slot: Enabled AtnBtn- PwrFlt+ MRL+ PresDet- CmdCplt- HPIrq+ Slot: AttnInd Off, PwrInd On, Power- Root: Correctable+ Non-Fatal+ Fatal+ PME+ Capabilities: [100] Advanced Error Reporting 0b:00.0 PCI bridge: PLX Technology, Inc. PEX 8114 PCI Express-to-PCI/PCI-X Bridge (rev bc) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr+ Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- Capabilities: [40] Power Management version 3 Flags: PMEClk+ DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold-) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [48] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable- Address: 00000000fee00000 Data: 4052 Capabilities: [58] PCI-X bridge device Secondary Status: 64bit+ 133MHz+ SCD- USC- SCO- SRD- Freq=133MHz Status: Dev=0b:00.0 64bit- 133MHz- SCD- USC- SCO+ SRD- Upstream: Capacity=16 CommitmentLimit=16 Downstream: Capacity=16 CommitmentLimit=16 Capabilities: [68] Express PCI/PCI-X Bridge IRQ 0 Device: Supported: MaxPayload 256 bytes, PhantFunc 0, ExtTag- Device: Latency L0s <64ns, L1 <1us Device: AtnBtn+ AtnInd+ PwrInd+ Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported- Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- Device: MaxPayload 256 bytes, MaxReadReq 2048 bytes Link: Supported Speed 2.5Gb/s, Width x4, ASPM L0s L1, Port 0 Link: Latency L0s <2us, L1 <32us Link: ASPM Disabled CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x1 Capabilities: [100] Device Serial Number df-0e-00-00-01-00-00-00 Capabilities: [fb4] Advanced Error Reporting Capabilities: [138] Power Budgeting Capabilities: [148] Virtual Channel 0c:04.0 SCSI storage controller: Adaptec ASC-29320ALP U320 (rev 10) Subsystem: Adaptec Unknown device 0045 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr+ Stepping- SERR+ FastB2B- Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- SERR- TAbort- SERR- TAbort- Reset- FastB2B- Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [80] Express Root Port (Slot+) IRQ 0 Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag- Device: Latency L0s unlimited, L1 unlimited Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+ Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ Device: MaxPayload 512 bytes, MaxReadReq 4096 bytes Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s L1, Port 1 Link: Latency L0s <256ns, L1 <2us Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x16 Slot: AtnBtn- PwrCtrl+ MRL+ AtnInd+ PwrInd+ HotPlug+ Surpise+ Slot: Number 4, PowerLimit 25.000000 Slot: Enabled AtnBtn- PwrFlt+ MRL+ PresDet- CmdCplt- HPIrq+ Slot: AttnInd Off, PwrInd Off, Power+ Root: Correctable+ Non-Fatal+ Fatal+ PME+ Capabilities: [100] Advanced Error Reporting 14:00.0 PCI bridge: IBM CalIOC2 PCI-E Root Port (rev 01) (prog-if 01 [Subtractive decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [80] Express Root Port (Slot+) IRQ 0 Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag- Device: Latency L0s unlimited, L1 unlimited Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+ Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ Device: MaxPayload 512 bytes, MaxReadReq 4096 bytes Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s L1, Port 2 Link: Latency L0s <256ns, L1 <2us Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x16 Slot: AtnBtn- PwrCtrl+ MRL+ AtnInd+ PwrInd+ HotPlug+ Surpise+ Slot: Number 5, PowerLimit 25.000000 Slot: Enabled AtnBtn- PwrFlt+ MRL+ PresDet- CmdCplt- HPIrq+ Slot: AttnInd Off, PwrInd Off, Power+ Root: Correctable+ Non-Fatal+ Fatal+ PME+ Capabilities: [100] Advanced Error Reporting 19:00.0 PCI bridge: IBM CalIOC2 PCI-E Root Port (rev 01) (prog-if 01 [Subtractive decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR- FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- Reset- FastB2B- Capabilities: [40] Power Management version 3 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [80] Express Root Port (Slot+) IRQ 0 Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag- Device: Latency L0s unlimited, L1 unlimited Device: Errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+ Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ Device: MaxPayload 128 bytes, MaxReadReq 4096 bytes Link: Supported Speed 2.5Gb/s, Width x8, ASPM L0s L1, Port 3 Link: Latency L0s <256ns, L1 <2us Link: ASPM Disabled RCB 128 bytes CommClk- ExtSynch- Link: Speed 2.5Gb/s, Width x4 Slot: AtnBtn- PwrCtrl+ MRL+ AtnInd+ PwrInd+ HotPlug+ Surpise+ Slot: Number 6, PowerLimit 25.000000 Slot: Enabled AtnBtn- PwrFlt+ MRL+ PresDet- CmdCplt- HPIrq+ Slot: AttnInd Off, PwrInd On, Power- Root: Correctable+ Non-Fatal+ Fatal+ PME+ Capabilities: [100] Advanced Error Reporting 1a:00.0 Ethernet controller: Intel Corporation 82571EB Gigabit Ethernet Controller (rev 06) Subsystem: Intel Corporation PRO/1000 PT Dual Port Server Adapter Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- TAbort- SERR-